<template>
  <div>
    <div id="main_nighting"></div>
  </div>
</template>

<script>
import * as echarts from "echarts";

export default {
  name: "NightingaleChart",
  data() {
    return {};
  },
  mounted() {
    //页面加载后执行
    this.initEchart();
  },
  methods: {
    //定义方法事件
    initEchart() {
      let myChart2 = echarts.init(document.getElementById("main_nighting"));
      //设置图像属性参数
      let option = {
        legend: {
          top: "bottom",
        },
        toolbox: {
          show: true,
          feature: {
            mark: { show: true },
            dataView: { show: true, readOnly: false },
            restore: { show: true },
            saveAsImage: { show: true },
          },
        },
        series: [
          {
            name: "Nightingale Chart",
            type: "pie",
            radius: [50, 250],
            center: ["50%", "50%"],
            roseType: "area",
            itemStyle: {
              borderRadius: 8,
            },
            data: [
              { value: 40, name: "rose 1" },
              { value: 38, name: "rose 2" },
              { value: 32, name: "rose 3" },
              { value: 30, name: "rose 4" },
              { value: 28, name: "rose 5" },
              { value: 26, name: "rose 6" },
              { value: 22, name: "rose 7" },
              { value: 18, name: "rose 8" },
            ],
          },
        ],
      };
      //绘制图像
      myChart2.setOption(option);
    },
  },
};
</script>

<style>
#main_nighting {
  width: 600px;
  height: 750px;
}
</style>